Environmental Engineering Reference
In-Depth Information
Fig. 2.22
A view of coral reef: an amazing housing complex for marine
fl
ora and fauna
Fig. 2.23
Coral reefs are favourable habitats for ornamental
shes
water quality caused by rapid industrialization
and urbanization.
In the Indian coastal waters, the common
shark species are highlighted in Table
2.14
.
for the ancestors of reptiles to conquer land, were
also useful in allowing their descendants to
return to the saline water of the marine and
estuarine systems. This was possible after the
evolution of an
amniotic egg
some 340 million
years ago, which is covered by protective shell
and contains liquid-
2.2.4 Reptiles
l-
led with yolk. The egg also contains a disposal
sac (where the wastes accumulate), called the
allantois
and a membrane called
chorion
(which
provides
lled sac called
amnion
Reptiles are predominant on both land and in the
sea. The morphological physiological and ana-
tomical modi
surface
for
gas
exchange). This
cations, which were responsible
